/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.io.fs;



import com.bff.gaia.unified.sdk.coders.AtomicCoder;

import com.bff.gaia.unified.sdk.coders.BooleanCoder;

import com.bff.gaia.unified.sdk.coders.Coder;

import com.bff.gaia.unified.sdk.coders.StringUtf8Coder;

import com.bff.gaia.unified.sdk.io.FileSystems;



import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;



/** A {@link Coder} for {@link ResourceId}. */

public class ResourceIdCoder extends AtomicCoder<ResourceId> {

  private static final Coder<String> STRING_CODER = StringUtf8Coder.of();

  private static final Coder<Boolean> BOOL_CODER = BooleanCoder.of();



  /** Creates a {@link ResourceIdCoder}. */

  public static ResourceIdCoder of() {

    return new ResourceIdCoder();

  }



  @Override

  public void encode(ResourceId value, OutputStream os) throws IOException {

    STRING_CODER.encode(value.toString(), os);

    BOOL_CODER.encode(value.isDirectory(), os);

  }



  @Override

  public ResourceId decode(InputStream is) throws IOException {

    String spec = STRING_CODER.decode(is);

    boolean isDirectory = BOOL_CODER.decode(is);

    return FileSystems.matchNewResource(spec, isDirectory);

  }



  @Override

  public boolean consistentWithEquals() {

    return true;

  }

}